Here's what rhymes with transplantational.
operational rotational foundational translational confrontational ideational mutational aberrational probational educational occupational vocational gravitational relational motivational sensational situational vibrational generational gestational inspirational locational subnational avocational invitational organizational computational recreational informational observational organisational representational navigational transformational associational correlational variational nonoccupational nonoperational nonvocational conversational denominational conformational congregational coeducational improvisational noneducational intergenerational nonrepresentational nondenominational interdenominational Words that almost rhyme with transplantational
occasional payable bailable capable obtainable attainable insatiable changeable unchangeable saleable unshakable salable unbreakable unshakeable breakable trainable unsaleable unsalable available incapable sustainable traceable debatable unattainable ascertainable maintainable repayable untraceable assailable claimable gradable mistakable conveyable unavailable unassailable unobtainable unsustainable inflatable degradable erasable reclaimable persuadable embraceable nonbreakable resalable unmistakable inescapable interchangeable exchangeable explainable irreplaceable replaceable irreclaimable biodegradable nonexchangeable microwavable noninterchangeable